Sygaldry Technologies Funding, Investors & Competitors

Sygaldry Technologies has raised $138M across 2 funding rounds, most recently a $105M Series A in February 2026.

Last Sygaldry Technologies funding round

$105M

Series A · Feb 2026

Cumulative funding Sygaldry Technologies raised

$138M

across 2 funding rounds

Key investors in Sygaldry Technologies

  • Y Combinator
  • Pioneer Fund
  • RRE Ventures
  • Breakthrough Energy Ventures
  • Rebel Fund
  • 468 Capital
  • Flex Capital
  • Lombardstreet Ventures

Sygaldry Technologies Overview

About Sygaldry Technologies

Sygaldry Technologies is a startup developing hybrid servers that use quantum acceleration to speed up AI training and inference. Founded in April 2025 by Chad Rigetti, previously founder of Rigetti Computing, and Idalia Friedson, the company aims to substantially reduce AI workload processing times by combining quantum and classical computing infrastructure.


Founded

2024

HQ

United StatesUnited States

Status

Privately held

Customer focus

B2B

Revenue model

Product sales

Sygaldry Technologies Funding History

Sygaldry Technologies has raised a total of $138M across 2 funding rounds.

Sygaldry Technologies' first fundraising round was a $33M seed round in June 2025. The most recent completed round was a $105M Series A in February 2026.

Sygaldry Technologies funding rounds

Sygaldry Technologies funding rounds
DateStageInvestorsRaisedDeal Summary
Feb 2026Series ABreakthrough Energy Ventures (lead); Y Combinator; RRE Ventures; Expeditions Fund; University of Michigan; Julian Mann; WTI; Overmatch Ventures; QDNL Participations; Morpheus Ventures; 468 Capital; Switch Ventures$105M-
Jun 2025SeedRebel Fund; ZAKA VC; Y Combinator; Page One Ventures; Lombardstreet Ventures; Flex Capital; HorizenNet Capital; AIspace Ventures; Pioneer Fund$33MSygaldry Technologies is a startup developing hybrid servers using quantum acceleration for AI workloads, aimed at drastically reducing training and inference times. The company was founded in April 2025 by Chad Rigetti, former founder of Rigetti Computing which went public in 2021, and Idalia Friedson. It was featured as one of 11 startups from Y Combinator's Spring 2025 Demo Day that investors were discussing, highlighting its quantum-AI infrastructure positioning. Sygaldry participated in Y Combinator's Spring 2025 Demo Day, aligning with a cohort heavily focused on AI innovations. The demo day emphasized AI as the industry baseline, with Sygaldry noted for its credible leadership and potential exponential gains from hybrid quantum systems, even before full quantum computing maturity.

Who has invested in Sygaldry Technologies?

20 investors have backed Sygaldry Technologies across its funding rounds, including Y Combinator, Pioneer Fund, RRE Ventures, Breakthrough Energy Ventures, Rebel Fund and 468 Capital.

Lead investors include Breakthrough Energy Ventures.


Sygaldry Technologies Investors

Investors in Sygaldry Technologies by funding rounds participated
InvestorHQRoundsRoleFirst check
Y CombinatorUnited StatesSan Francisco, CA2ParticipantJun 2025
Rebel FundUnited StatesLos Angeles, CA1ParticipantJun 2025
ZAKA VCCzech RepublicPrague1ParticipantJun 2025
Page One VenturesUnited StatesSan Francisco, CA1ParticipantJun 2025
Breakthrough Energy VenturesFranceParis1LeadFeb 2026
RRE VenturesUnited StatesNew York City, NY1ParticipantFeb 2026
Expeditions FundPolandWarsaw1ParticipantFeb 2026
University of MichiganUnited StatesAnn Arbor, MI1ParticipantFeb 2026
Lombardstreet VenturesUnited StatesSan Francisco, CA1ParticipantJun 2025
Julian MannUnited StatesSan Francisco, CA1ParticipantFeb 2026
WTI--1ParticipantFeb 2026
Overmatch VenturesUnited StatesAustin, TX1ParticipantFeb 2026
Flex CapitalUnited StatesSan Francisco, CA1ParticipantJun 2025

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Sygaldry Technologies Competitors

Sygaldry Technologies competitors include listed companies like D-Wave Quantum and NVIDIA, and private ones like PsiQuantum, Photonic, Nord Quantique and IQM Quantum Computers.

Public and private companies comparable to Sygaldry Technologies
CompanyHQStatusRevenueEBITDAValuationRevenue Multiple
PsiQuantumUnited StatesSan Francisco, CAPrivate--$7B-
D-Wave QuantumUnited StatesUnited StatesPublicly listed$25M($373M)$6.7B166.4x
PhotonicCanadaVancouverPrivate--$2B-
Nord QuantiqueCanadaSherbrookePrivate--$1.4B-
IQM Quantum ComputersFinlandEspooPrivate$35M-$1B28.6x
NVIDIAUnited StatesUnited StatesPublicly listed$216B$142B$5.3T15.6x

Sygaldry Technologies Public Comps

Sygaldry Technologies is still privately-owned, but its public comps include NVIDIA, TSMC, Broadcom, Micron, SK Hynix, AMD, ASML, CXMT, Dell and Lam Research.

Last FYEV/RevenueEV/EBITDA
RevenueEBITDALast FYLTM2027ELast FYLTM2027E
NVIDIA$216B$142B24.4x15.6x37.1x23.8x
TSMC$120B$83B15.9x12.1x22.9x16.6x
Broadcom$64B$34B26.5x16.8x49.3x24.7x
Micron$37B$18B29.0x8.0x60.3x9.6x
SK Hynix$71B$47B12.1x4.3x18.1x5.3x
AMD$35B$7.1B25.4x19.0x124.8x75.6x
ASML$38B$14B16.5x13.3x43.7x31.7x
CXMT$9.2B$5.5B60.3x-101.9x-

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Common questions about Sygaldry Technologies

When was Sygaldry Technologies founded?Sygaldry Technologies was founded in 2024.
Where is Sygaldry Technologies headquartered?Sygaldry Technologies is headquartered in United States.
Is Sygaldry Technologies publicly listed?No, Sygaldry Technologies is a private, VC-backed company.
How much funding has Sygaldry Technologies raised?Sygaldry Technologies has raised $138M across 2 funding rounds.
What was Sygaldry Technologies' last funding round?Sygaldry Technologies' last funding round was a $105M Series A in February 2026, led by Breakthrough Energy Ventures.
Who are Sygaldry Technologies' investors?Sygaldry Technologies' investors include Y Combinator, Rebel Fund, ZAKA VC, Page One Ventures, Breakthrough Energy Ventures, RRE Ventures, Expeditions Fund, University of Michigan, Lombardstreet Ventures, Julian Mann and 10 others.
Which companies are comparable to Sygaldry Technologies?Companies comparable to Sygaldry Technologies include PsiQuantum, D-Wave Quantum, Photonic, Nord Quantique, IQM Quantum Computers and NVIDIA.

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